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seismic refraction services

  • Seismic Refraction Tomography

    Refraction tomography bases on the classic seismic refraction studies. Classical refraction gives good results in the ground with relatively low variable structure and layers (which differ significantly in velocities of seismic waves). In contrast, tomography can localize more complex structures where ...

    By GEOSPECTRUM S.C. based in Krakow, POLAND. from Seismic Studies Service line

  • Seismic Refraction Services

    Seismic refraction is a geophysical method used to determine the seismic compression-wave (P-wave) velocity structure of the subsurface. Seismic P-waves are generated on the surface, propagate through the soil and rock, and are recorded by geophones at known distances from the source. Since P-waves are the ...

    By Spotlight Geophysical Services based in Doral, FLORIDA (USA).

  • Near Surface Seismics Refraction

    Refraction technique was the first major geophysical technique used for the exploration or deep oilbearing layers. Currently, it is widely used in detailed studies of shallow ...

    By GEOSPECTRUM S.C. based in Krakow, POLAND. from Seismic Studies Service line

  • Marine Seismic Refraction Services

    Marine seismic refraction is a method to determine the seismic P-wave velocity structure of the subsurface. The P-wave velocity is related to the hardness of the sub-bottom materials and can be used to map the top-of-rock, determine the dredgeability of sub-bottom materials, and identify anomalous conditions. ...

    By Spotlight Geophysical Services based in Doral, FLORIDA (USA).

  • Seismic Refraction Surveys Services

    Unexpectedly encountering rock during site development can be very costly to a well-balanced job budget. United Consulting utilizes the seismic refraction technique to assist our clients in avoiding this costly encounter by providing “up-front” information as to where rock and/or partially weathered ...

    By United Consulting based in Norcross, GEORGIA (US) (USA). from Geophysical Engineering Services Service line

  • Seismic Refraction and Reflection Techniques Services

    In seismic refraction surveys, a very small seismic wave is generated in the ground by either a hammer or small explosive change. This wave is refracted in the subsurface and detected by a series of sensitive geophones deployed along the ground. By measuring the travel-times of the seismic waves, the ...

    By Explorer Geophysical and Hydrogeological Consultations based in riyadh, SAUDI ARABIA.

  • Seismic Services

    Seismic Reflection Reveals What is Under the Surface. We use seismic reflection as a method of geophysical exploration that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves. The method requires a controlled seismic source of energy, such as ...

    By GeoSearches Inc based in Chagrin Falls, OHIO (USA).

  • Refraction Microtremor (ReMi) Evaluations Services

    The refraction microtremor (RE/MI) technique utilizes Rayleigh waves. The technique can be employed with traditional seismic refraction to obtain engineering properties and simultaneously ...

    By Ninyo & Moore based in San Diego, CALIFORNIA (USA). from Geophysical Service line

  • Downhole Shear Wave Velocity Services

    This method is a variation of the seismic refraction method employing a downhole tri-axial geophone and a surface energy source or a downhole source. The energy propagates from the source to the downhole tri-axial geophone and can be recorded as compression and/or shear waves. This method provides detailed ...

    By Ninyo & Moore based in San Diego, CALIFORNIA (USA). from Geophysical Service line

  • geotechnical environmental drilling

    , micropiles, geopiers, vibroflotation, liquefaction, sinkhole, sinkholes, karstic, karstic terrain, mogote, landslide, mogotes, landslides, caves, caverns, electric resistivity, seismic refraction, seismic reflection, tomography, dams, well camera inspection . We own Mobile Drill, CME, Geoprobe, Ingersol Rand, ...

    By AQUA DRILLING INC based in SAN JUAN, PUERTO RICO.

  • Geophysical and Hydrographic Survey Services

    ERT geophysicists use a variety of geophysical survey and detection technologies for the detection and/or mapping of munitions and explosives of concern (MEC), landfills, subsurface structures, contamination plumes, and archaeological remains. The technologies include ground penetrating radar, seismic ...

    By Earth Resources Technology, Inc. (ERT) based in Laurel, MARYLAND (USA). from Environmental Services Service line

  • Field Geotechnical Testing And Monitoring Services

    Deep Auger Borings with soil sampling and testing by Standard Penetration Test (SPT) Earthwork monitoring and fill density testing with nuclear gauges Plate Bearing Tests and CBR Ground Penetrating Radar (GPR) Downhole Seismic Tests Crosshole Seismic Tests Seismic Refraction Resistivity Ground Water Pumping ...

    By Jaca & Sierra Testing Laboratories Psc. based in San Juan, PUERTO RICO.

  • Geophysical Services

    ) Survey 5.Comprehensive Subsurface Utility Location (CSUL) 6. Microgravity Surveying 7. Microseismic Monitoring 8. Seismic Refraction Surveying 9. Time Domain Electromagnetic Surveying (TDEM) 10. Conquest Concrete ...

    By Nova Geophysical Services (NOVA) based in Douglaston, NEW YORK (USA).

  • Scanning Beneath the Seafloor Services

    GeoView employs three methods for studying the geologic strata and objects buried beneath the seafloor. These include Sub-bottom profiling, Marine Seismic Refraction and Marine Seismic Reflection. GeoView owns and operates an Edgetech sub-bottom profiler. It generates a swept frequency source to produce a ...

    By GeoView, Inc. based in St. Petersburg, FLORIDA (USA). from Marine Based Services Service line

  • Geophex Geophysical Survey Services

    Geophex has extensive corporate experience conducting gravity, magnetic, electrical, electromagnetic, seismic reflection and refraction, and GPR surveys. Geophysical investigations can often reduce remediation costs by avoiding unnecessary intrusive activity. We also fly airborne geophysical surveys ...

    By Geophex, Ltd. based in Raleigh, NORTH CAROLINA (USA).

  • Surveys

    We specialise in the following geophysical / non-destructive methods/surveys:οther methods, e.g. magnetic, gravity etc., may be considered upon request ...

    By geotomi based in Palaio Faliro, GREECE. from Surveys Service line

  • Engineering-Geological-Geotechnical Exploration of Foundation Ground

    Engineering-geological exploration is an area in which georadar method is used intensively for more than 15 years as one of or the only method for detailed exploration of foundation ground. This method has proved itself as very exact and reliable specially in the case when one should exactly define in space spreading of surface weathering layer and its contact with firm bedrock as well as ...

    By GEOS d.o.o. based in Rovinj, CROATIA. from Geological Exploration Service line

  • Soils Services

    Most construction projects require a geotechnical study, commonly referred to as a “soils report”. The purpose of the study is to identify the geological features and hazards of the site and to determine the engineering properties of the earth materials. A geotechnical study begins with a review of geological maps and reports to determine the geological setting of the site and to ...

    By Converse Consultants based in Monrovia, CALIFORNIA (USA). from Engineering Geology Service line

  • Geologic Services

    GSI provides geologic studies both as part of engineering projects and as individual geologic projects. These studies include assessments of geologic hazards such as landsliding, fissuring, faulting, excavation characteristics of rock units, hydrogeotogy, and geologic characteristics of subsurface conditions, including downslope soil creep and ...

    By GeoSoils Inc. based in Carlsbad, CALIFORNIA (USA).

  • Geophysical Surveying Services

    ECA Geophysics performs geophysical surveys that accomplish several objectives that include 1) determining depth to bedrock (electrical and seismic methods), 2) establishing IBC Site Class via Refraction Microtremor - ReMi (seismic method), 3) locating buried metallic debris and drums (magnetic method), 4) ...

    By Environmental Compliance Associates, LLC (ECA) based in Kennewick, WASHINGTON (USA).

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